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Depth measuring device for watches, and watches incorporating such a measuring device

  • US 7,778,115 B2
  • Filed: 12/12/2006
  • Issued: 08/17/2010
  • Est. Priority Date: 12/15/2005
  • Status: Active Grant
First Claim
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1. A chronograph watch comprising a mechanical sensor mechanism (141, 324) of the external pressure, characterized by the fact that this mechanical sensor mechanism (141, 324) cooperates, via a transmission mechanism (144, 419) with activation and/or deactivation means (125, 427) of a mechanical chronograph mechanism of the watch, so as to start and/or stop the chronograph mechanism automatically as a function of the external pressure.

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